M. Ralea

Method of investigating phenomena in liquids by holographic interferometry

Nicu N. Rosu, M. Ralea, I. Iova, 1996 .

A holographic method for determination of the refraction index of a gas in electric discharge tubes

M. Ralea, I. Iova, I. Popescu, 1994 .

Introducere in Sociologie

M. Ralea, 1944 .

Laser optical interferometry for electric gas discharge diagnosis

Iancu Iova, D. Mircea, Ion M. Popescu, 1995, Other Conferences.